Add spring war command

Add a `war` command to the CLI to generate WAR archives.

Fixes gh-925
Closes gh-4168

spring-boot-cli/src/it/java/org/springframework/boot/cli/CommandLineIT.java

@@ -44,7 +44,7 @@ public class CommandLineIT {
 		assertThat(cli.await(), equalTo(0));
 		assertThat("Unexpected error: \n" + cli.getErrorOutput(),
 				cli.getErrorOutput().length(), equalTo(0));
-		assertThat(cli.getStandardOutputLines().size(), equalTo(10));
+		assertThat(cli.getStandardOutputLines().size(), equalTo(11));
 	}
 
 	@Test

spring-boot-cli/src/it/java/org/springframework/boot/cli/JarCommandIT.java

@@ -19,7 +19,7 @@ package org.springframework.boot.cli;
 import java.io.File;
 
 import org.junit.Test;
-import org.springframework.boot.cli.command.jar.JarCommand;
+import org.springframework.boot.cli.command.archive.JarCommand;
 import org.springframework.boot.cli.infrastructure.CommandLineInvoker;
 import org.springframework.boot.cli.infrastructure.CommandLineInvoker.Invocation;
 import org.springframework.boot.loader.tools.JavaExecutable;

spring-boot-cli/src/it/java/org/springframework/boot/cli/WarCommandIT.java

@@ -0,0 +1,64 @@
+/*
+ * Copyright 2012-2015 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.boot.cli;
+
+import java.io.File;
+
+import org.junit.Test;
+import org.springframework.boot.cli.command.archive.WarCommand;
+import org.springframework.boot.cli.infrastructure.CommandLineInvoker;
+import org.springframework.boot.cli.infrastructure.CommandLineInvoker.Invocation;
+import org.springframework.boot.loader.tools.JavaExecutable;
+import org.springframework.util.SocketUtils;
+
+import static org.hamcrest.Matchers.containsString;
+import static org.junit.Assert.assertThat;
+import static org.junit.Assert.assertTrue;
+
+/**
+ * Integration test for {@link WarCommand}.
+ *
+ * @author Andrey Stolyarov
+ */
+public class WarCommandIT {
+
+	private final CommandLineInvoker cli = new CommandLineInvoker(
+			new File("src/it/resources/war-command"));
+
+	@Test
+	public void warCreation() throws Exception {
+		int port = SocketUtils.findAvailableTcpPort();
+		File war = new File("target/test-app.war");
+		Invocation invocation = this.cli.invoke("war", war.getAbsolutePath(),
+				"war.groovy");
+		invocation.await();
+		assertTrue(war.exists());
+		Process process = new JavaExecutable()
+				.processBuilder("-jar", war.getAbsolutePath(), "--server.port=" + port)
+				.start();
+		invocation = new Invocation(process);
+		invocation.await();
+		assertThat(invocation.getErrorOutput(), containsString("onStart error"));
+		assertThat(invocation.getStandardOutput(), containsString("Tomcat started"));
+		assertThat(invocation.getStandardOutput(),
+				containsString("/WEB-INF/lib-provided/tomcat-embed-core"));
+		assertThat(invocation.getStandardOutput(),
+				containsString("/WEB-INF/lib-provided/tomcat-embed-core"));
+		process.destroy();
+	}
+
+}

spring-boot-cli/src/it/resources/war-command/war.groovy

@@ -0,0 +1,16 @@
+package org.test
+
+@RestController
+class WarExample implements CommandLineRunner {
+
+	@RequestMapping("/")
+	public String hello() {
+		return "Hello"
+	}
+
+	void run(String... args) {
+		println getClass().getResource('/org/apache/tomcat/InstanceManager.class')
+		throw new RuntimeException("onStart error")
+	}
+
+}